mirror of
git://gcc.gnu.org/git/gcc.git
synced 2024-12-23 03:28:57 +08:00
683 lines
20 KiB
Java
683 lines
20 KiB
Java
|
/* ResultSet.java -- A SQL statement result set.
|
||
|
|
Copyright (C) 1999 Free Software Foundation, Inc.
|
||
|
|
|
||
|
|
This file is part of GNU Classpath.
|
||
|
|
|
||
|
|
GNU Classpath is free software; you can redistribute it and/or modify
|
||
|
|
it under the terms of the GNU General Public License as published by
|
||
|
|
the Free Software Foundation; either version 2, or (at your option)
|
||
|
|
any later version.
|
||
|
|
|
||
|
|
GNU Classpath is distributed in the hope that it will be useful, but
|
||
|
|
WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||
|
|
General Public License for more details.
|
||
|
|
|
||
|
|
You should have received a copy of the GNU General Public License
|
||
|
|
along with GNU Classpath; see the file COPYING. If not, write to the
|
||
|
|
Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
||
|
|
02111-1307 USA.
|
||
|
|
|
||
|
|
As a special exception, if you link this library with other files to
|
||
|
|
produce an executable, this library does not by itself cause the
|
||
|
|
resulting executable to be covered by the GNU General Public License.
|
||
|
|
This exception does not however invalidate any other reasons why the
|
||
|
|
executable file might be covered by the GNU General Public License. */
|
||
|
|
|
||
|
|
|
||
|
|
package java.sql;
|
||
|
|
|
||
|
|
import java.io.InputStream;
|
||
|
|
import java.io.Reader;
|
||
|
|
import java.math.BigDecimal;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This interface provides access to the data set returned by a SQL
|
||
|
|
* statement. An instance of this interface is returned by the various
|
||
|
|
* execution methods in the <code>Statement</code.
|
||
|
|
* <p>
|
||
|
|
* This class models a cursor, which can be stepped through one row at a
|
||
|
|
* time. Methods are provided for accessing columns by column name or by
|
||
|
|
* index.
|
||
|
|
* <p>
|
||
|
|
* Note that a result set is invalidated if the statement that returned
|
||
|
|
* it is closed.
|
||
|
|
*
|
||
|
|
* @author Aaron M. Renn (arenn@urbanophile.com)
|
||
|
|
*/
|
||
|
|
public interface ResultSet
|
||
|
|
{
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This method advances to the next row in the result set. Any streams
|
||
|
|
* open on the current row are closed automatically.
|
||
|
|
*
|
||
|
|
* @return <code>true</code> if the next row exists, <code>false</code>
|
||
|
|
* otherwise.
|
||
|
|
*
|
||
|
|
* @exception SQLException If an error occurs.
|
||
|
|
*/
|
||
|
|
public abstract boolean
|
||
|
|
next() throws SQLException;
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This method closes the result set and frees any associated resources.
|
||
|
|
*
|
||
|
|
* @exception SQLException If an error occurs.
|
||
|
|
*/
|
||
|
|
public abstract void
|
||
|
|
close() throws SQLException;
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This method tests whether the value of the last column that was fetched
|
||
|
|
* was actually a SQL NULL value.
|
||
|
|
*
|
||
|
|
* @return <code>true</code> if the last column fetched was a NULL,
|
||
|
|
* <code>false</code> otherwise.
|
||
|
|
*
|
||
|
|
* @exception SQLException If an error occurs.
|
||
|
|
*/
|
||
|
|
public abstract boolean
|
||
|
|
wasNull() throws SQLException;
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This method returns the value of the specified column as a Java
|
||
|
|
* <code>String</code>.
|
||
|
|
*
|
||
|
|
* @param index The index of the column to return.
|
||
|
|
*
|
||
|
|
* @return The column value as a <code>String</code>.
|
||
|
|
*
|
||
|
|
* @exception SQLException If an error occurs.
|
||
|
|
*/
|
||
|
|
public abstract String
|
||
|
|
getString(int index) throws SQLException;
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This method returns the value of the specified column as a Java
|
||
|
|
* <code>Object</code>.
|
||
|
|
*
|
||
|
|
* @param index The index of the column to return.
|
||
|
|
*
|
||
|
|
* @return The column value as an <code>Object</code>.
|
||
|
|
*
|
||
|
|
* @exception SQLException If an error occurs.
|
||
|
|
*/
|
||
|
|
public abstract Object
|
||
|
|
getObject(int index) throws SQLException;
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This method returns the value of the specified column as a Java
|
||
|
|
* <code>boolean</code>.
|
||
|
|
*
|
||
|
|
* @param index The index of the column to return.
|
||
|
|
*
|
||
|
|
* @return The column value as a <code>boolean</code>.
|
||
|
|
*
|
||
|
|
* @exception SQLException If an error occurs.
|
||
|
|
*/
|
||
|
|
public abstract boolean
|
||
|
|
getBoolean(int index) throws SQLException;
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This method returns the value of the specified column as a Java
|
||
|
|
* <code>byte</code>.
|
||
|
|
*
|
||
|
|
* @param index The index of the column to return.
|
||
|
|
*
|
||
|
|
* @return The column value as a <code>byte</code>.
|
||
|
|
*
|
||
|
|
* @exception SQLException If an error occurs.
|
||
|
|
*/
|
||
|
|
public abstract byte
|
||
|
|
getByte(int index) throws SQLException;
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This method returns the value of the specified column as a Java
|
||
|
|
* <code>short</code>.
|
||
|
|
*
|
||
|
|
* @param index The index of the column to return.
|
||
|
|
*
|
||
|
|
* @return The column value as a <code>short</code>.
|
||
|
|
*
|
||
|
|
* @exception SQLException If an error occurs.
|
||
|
|
*/
|
||
|
|
public abstract short
|
||
|
|
getShort(int index) throws SQLException;
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This method returns the value of the specified column as a Java
|
||
|
|
* <code>int</code>.
|
||
|
|
*
|
||
|
|
* @param index The index of the column to return.
|
||
|
|
*
|
||
|
|
* @return The column value as a <code>int</code>.
|
||
|
|
*
|
||
|
|
* @exception SQLException If an error occurs.
|
||
|
|
*/
|
||
|
|
public abstract int
|
||
|
|
getInt(int index) throws SQLException;
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This method returns the value of the specified column as a Java
|
||
|
|
* <code>long</code>.
|
||
|
|
*
|
||
|
|
* @param index The index of the column to return.
|
||
|
|
*
|
||
|
|
* @return The column value as a <code>long</code>.
|
||
|
|
*
|
||
|
|
* @exception SQLException If an error occurs.
|
||
|
|
*/
|
||
|
|
public abstract long
|
||
|
|
getLong(int index) throws SQLException;
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This method returns the value of the specified column as a Java
|
||
|
|
* <code>float</code>.
|
||
|
|
*
|
||
|
|
* @param index The index of the column to return.
|
||
|
|
*
|
||
|
|
* @return The column value as a <code>float</code>.
|
||
|
|
*
|
||
|
|
* @exception SQLException If an error occurs.
|
||
|
|
*/
|
||
|
|
public abstract float
|
||
|
|
getFloat(int index) throws SQLException;
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This method returns the value of the specified column as a Java
|
||
|
|
* <code>double</code>.
|
||
|
|
*
|
||
|
|
* @param index The index of the column to return.
|
||
|
|
*
|
||
|
|
* @return The column value as a <code>double</code>.
|
||
|
|
*
|
||
|
|
* @exception SQLException If an error occurs.
|
||
|
|
*/
|
||
|
|
public abstract double
|
||
|
|
getDouble(int index) throws SQLException;
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This method returns the value of the specified column as a Java
|
||
|
|
* <code>BigDecimal</code>.
|
||
|
|
*
|
||
|
|
* @param index The index of the column to return.
|
||
|
|
* @param scale The number of digits to the right of the decimal to return.
|
||
|
|
*
|
||
|
|
* @return The column value as a <code>BigDecimal</code>.
|
||
|
|
*
|
||
|
|
* @exception SQLException If an error occurs.
|
||
|
|
*/
|
||
|
|
public abstract BigDecimal
|
||
|
|
getBigDecimal(int index, int scale) throws SQLException;
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This method returns the value of the specified column as a Java
|
||
|
|
* byte array.
|
||
|
|
*
|
||
|
|
* @param index The index of the column to return.
|
||
|
|
*
|
||
|
|
* @return The column value as a byte array
|
||
|
|
*
|
||
|
|
* @exception SQLException If an error occurs.
|
||
|
|
*/
|
||
|
|
public abstract byte[]
|
||
|
|
getBytes(int index) throws SQLException;
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This method returns the value of the specified column as a Java
|
||
|
|
* <code>java.sql.Date</code>.
|
||
|
|
*
|
||
|
|
* @param index The index of the column to return.
|
||
|
|
*
|
||
|
|
* @return The column value as a <code>java.sql.Date</code>.
|
||
|
|
*
|
||
|
|
* @exception SQLException If an error occurs.
|
||
|
|
*/
|
||
|
|
public abstract java.sql.Date
|
||
|
|
getDate(int index) throws SQLException;
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This method returns the value of the specified column as a Java
|
||
|
|
* <code>java.sql.Time</code>.
|
||
|
|
*
|
||
|
|
* @param index The index of the column to return.
|
||
|
|
*
|
||
|
|
* @return The column value as a <code>java.sql.Time</code>.
|
||
|
|
*
|
||
|
|
* @exception SQLException If an error occurs.
|
||
|
|
*/
|
||
|
|
public abstract java.sql.Time
|
||
|
|
getTime(int index) throws SQLException;
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This method returns the value of the specified column as a Java
|
||
|
|
* <code>java.sql.Timestamp</code>.
|
||
|
|
*
|
||
|
|
* @param index The index of the column to return.
|
||
|
|
*
|
||
|
|
* @return The column value as a <code>java.sql.Timestamp</code>.
|
||
|
|
*
|
||
|
|
* @exception SQLException If an error occurs.
|
||
|
|
*/
|
||
|
|
public abstract java.sql.Timestamp
|
||
|
|
getTimestamp(int index) throws SQLException;
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This method returns the value of the specified column as an ASCII
|
||
|
|
* stream. Note that all the data from this stream must be read before
|
||
|
|
* fetching the value of any other column. Please also be aware that
|
||
|
|
* calling <code>next()</code> or <code>close()</code> on this result set
|
||
|
|
* will close this stream as well.
|
||
|
|
*
|
||
|
|
* @param index The index of the column to return.
|
||
|
|
*
|
||
|
|
* @return The column value as an ASCII <code>InputStream</code>.
|
||
|
|
*
|
||
|
|
* @exception SQLException If an error occurs.
|
||
|
|
*/
|
||
|
|
public abstract InputStream
|
||
|
|
getAsciiStream(int index) throws SQLException;
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This method returns the value of the specified column as a Unicode UTF-8
|
||
|
|
* stream. Note that all the data from this stream must be read before
|
||
|
|
* fetching the value of any other column. Please also be aware that
|
||
|
|
* calling <code>next()</code> or <code>close()</code> on this result set
|
||
|
|
* will close this stream as well.
|
||
|
|
*
|
||
|
|
* @param index The index of the column to return.
|
||
|
|
*
|
||
|
|
* @return The column value as a Unicode UTF-8 <code>InputStream</code>.
|
||
|
|
*
|
||
|
|
* @exception SQLException If an error occurs.
|
||
|
|
*/
|
||
|
|
public abstract InputStream
|
||
|
|
getUnicodeStream(int index) throws SQLException;
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This method returns the value of the specified column as a raw byte
|
||
|
|
* stream. Note that all the data from this stream must be read before
|
||
|
|
* fetching the value of any other column. Please also be aware that
|
||
|
|
* calling <code>next()</code> or <code>close()</code> on this result set
|
||
|
|
* will close this stream as well.
|
||
|
|
*
|
||
|
|
* @param index The index of the column to return.
|
||
|
|
*
|
||
|
|
* @return The column value as a raw byte <code>InputStream</code>.
|
||
|
|
*
|
||
|
|
* @exception SQLException If an error occurs.
|
||
|
|
*/
|
||
|
|
public abstract InputStream
|
||
|
|
getBinaryStream(int index) throws SQLException;
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This method returns the value of the specified column as a Java
|
||
|
|
* <code>String</code>.
|
||
|
|
*
|
||
|
|
* @param column The name of the column to return.
|
||
|
|
*
|
||
|
|
* @return The column value as a <code>String</code>.
|
||
|
|
*
|
||
|
|
* @exception SQLException If an error occurs.
|
||
|
|
*/
|
||
|
|
public abstract String
|
||
|
|
getString(String column) throws SQLException;
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This method returns the value of the specified column as a Java
|
||
|
|
* <code>Object</code>.
|
||
|
|
*
|
||
|
|
* @param column The name of the column to return.
|
||
|
|
*
|
||
|
|
* @return The column value as an <code>Object</code>.
|
||
|
|
*
|
||
|
|
* @exception SQLException If an error occurs.
|
||
|
|
*/
|
||
|
|
public abstract Object
|
||
|
|
getObject(String column) throws SQLException;
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This method returns the value of the specified column as a Java
|
||
|
|
* <code>boolean</code>.
|
||
|
|
*
|
||
|
|
* @param column The name of the column to return.
|
||
|
|
*
|
||
|
|
* @return The column value as a <code>boolean</code>.
|
||
|
|
*
|
||
|
|
* @exception SQLException If an error occurs.
|
||
|
|
*/
|
||
|
|
public abstract boolean
|
||
|
|
getBoolean(String column) throws SQLException;
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This method returns the value of the specified column as a Java
|
||
|
|
* <code>byte</code>.
|
||
|
|
*
|
||
|
|
* @param column The name of the column to return.
|
||
|
|
*
|
||
|
|
* @return The column value as a <code>byte</code>.
|
||
|
|
*
|
||
|
|
* @exception SQLException If an error occurs.
|
||
|
|
*/
|
||
|
|
public abstract byte
|
||
|
|
getByte(String column) throws SQLException;
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This method returns the value of the specified column as a Java
|
||
|
|
* <code>short</code>.
|
||
|
|
*
|
||
|
|
* @param column The name of the column to return.
|
||
|
|
*
|
||
|
|
* @return The column value as a <code>short</code>.
|
||
|
|
*
|
||
|
|
* @exception SQLException If an error occurs.
|
||
|
|
*/
|
||
|
|
public abstract short
|
||
|
|
getShort(String column) throws SQLException;
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This method returns the value of the specified column as a Java
|
||
|
|
* <code>int</code>.
|
||
|
|
*
|
||
|
|
* @param column The name of the column to return.
|
||
|
|
*
|
||
|
|
* @return The column value as a <code>int</code>.
|
||
|
|
*
|
||
|
|
* @exception SQLException If an error occurs.
|
||
|
|
*/
|
||
|
|
public abstract int
|
||
|
|
getInt(String column) throws SQLException;
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This method returns the value of the specified column as a Java
|
||
|
|
* <code>long</code>.
|
||
|
|
*
|
||
|
|
* @param column The name of the column to return.
|
||
|
|
*
|
||
|
|
* @return The column value as a <code>long</code>.
|
||
|
|
*
|
||
|
|
* @exception SQLException If an error occurs.
|
||
|
|
*/
|
||
|
|
public abstract long
|
||
|
|
getLong(String column) throws SQLException;
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This method returns the value of the specified column as a Java
|
||
|
|
* <code>float</code>.
|
||
|
|
*
|
||
|
|
* @param column The name of the column to return.
|
||
|
|
*
|
||
|
|
* @return The column value as a <code>float</code>.
|
||
|
|
*
|
||
|
|
* @exception SQLException If an error occurs.
|
||
|
|
*/
|
||
|
|
public abstract float
|
||
|
|
getFloat(String column) throws SQLException;
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This method returns the value of the specified column as a Java
|
||
|
|
* <code>double</code>.
|
||
|
|
*
|
||
|
|
* @param column The name of the column to return.
|
||
|
|
*
|
||
|
|
* @return The column value as a <code>double</code>.
|
||
|
|
*
|
||
|
|
* @exception SQLException If an error occurs.
|
||
|
|
*/
|
||
|
|
public abstract double
|
||
|
|
getDouble(String column) throws SQLException;
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This method returns the value of the specified column as a Java
|
||
|
|
* <code>BigDecimal</code>.
|
||
|
|
*
|
||
|
|
* @param column The name of the column to return.
|
||
|
|
* @param scale The number of digits to the right of the decimal to return.
|
||
|
|
*
|
||
|
|
* @return The column value as a <code>BigDecimal</code>.
|
||
|
|
*
|
||
|
|
* @exception SQLException If an error occurs.
|
||
|
|
*/
|
||
|
|
public abstract BigDecimal
|
||
|
|
getBigDecimal(String column, int scale) throws SQLException;
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This method returns the value of the specified column as a Java
|
||
|
|
* byte array.
|
||
|
|
*
|
||
|
|
* @param column The name of the column to return.
|
||
|
|
*
|
||
|
|
* @return The column value as a byte array
|
||
|
|
*
|
||
|
|
* @exception SQLException If an error occurs.
|
||
|
|
*/
|
||
|
|
public abstract byte[]
|
||
|
|
getBytes(String column) throws SQLException;
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This method returns the value of the specified column as a Java
|
||
|
|
* <code>java.sql.Date</code>.
|
||
|
|
*
|
||
|
|
* @param column The name of the column to return.
|
||
|
|
*
|
||
|
|
* @return The column value as a <code>java.sql.Date</code>.
|
||
|
|
*
|
||
|
|
* @exception SQLException If an error occurs.
|
||
|
|
*/
|
||
|
|
public abstract java.sql.Date
|
||
|
|
getDate(String column) throws SQLException;
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This method returns the value of the specified column as a Java
|
||
|
|
* <code>java.sql.Time</code>.
|
||
|
|
*
|
||
|
|
* @param column The name of the column to return.
|
||
|
|
*
|
||
|
|
* @return The column value as a <code>java.sql.Time</code>.
|
||
|
|
*
|
||
|
|
* @exception SQLException If an error occurs.
|
||
|
|
*/
|
||
|
|
public abstract java.sql.Time
|
||
|
|
getTime(String column) throws SQLException;
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This method returns the value of the specified column as a Java
|
||
|
|
* <code>java.sql.Timestamp</code>.
|
||
|
|
*
|
||
|
|
* @param column The name of the column to return.
|
||
|
|
*
|
||
|
|
* @return The column value as a <code>java.sql.Timestamp</code>.
|
||
|
|
*
|
||
|
|
* @exception SQLException If an error occurs.
|
||
|
|
*/
|
||
|
|
public abstract java.sql.Timestamp
|
||
|
|
getTimestamp(String column) throws SQLException;
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This method returns the value of the specified column as an ASCII
|
||
|
|
* stream. Note that all the data from this stream must be read before
|
||
|
|
* fetching the value of any other column. Please also be aware that
|
||
|
|
* calling <code>next()</code> or <code>close()</code> on this result set
|
||
|
|
* will close this stream as well.
|
||
|
|
*
|
||
|
|
* @param column The name of the column to return.
|
||
|
|
*
|
||
|
|
* @return The column value as an ASCII <code>InputStream</code>.
|
||
|
|
*
|
||
|
|
* @exception SQLException If an error occurs.
|
||
|
|
*/
|
||
|
|
public abstract InputStream
|
||
|
|
getAsciiStream(String column) throws SQLException;
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This method returns the value of the specified column as a Unicode UTF-8
|
||
|
|
* stream. Note that all the data from this stream must be read before
|
||
|
|
* fetching the value of any other column. Please also be aware that
|
||
|
|
* calling <code>next()</code> or <code>close()</code> on this result set
|
||
|
|
* will close this stream as well.
|
||
|
|
*
|
||
|
|
* @param column The name of the column to return.
|
||
|
|
*
|
||
|
|
* @return The column value as a Unicode UTF-8 <code>InputStream</code>.
|
||
|
|
*
|
||
|
|
* @exception SQLException If an error occurs.
|
||
|
|
*/
|
||
|
|
public abstract InputStream
|
||
|
|
getUnicodeStream(String column) throws SQLException;
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This method returns the value of the specified column as a raw byte
|
||
|
|
* stream. Note that all the data from this stream must be read before
|
||
|
|
* fetching the value of any other column. Please also be aware that
|
||
|
|
* calling <code>next()</code> or <code>close()</code> on this result set
|
||
|
|
* will close this stream as well.
|
||
|
|
*
|
||
|
|
* @param column The name of the column to return.
|
||
|
|
*
|
||
|
|
* @return The column value as a raw byte <code>InputStream</code>.
|
||
|
|
*
|
||
|
|
* @exception SQLException If an error occurs.
|
||
|
|
*/
|
||
|
|
public abstract InputStream
|
||
|
|
getBinaryStream(String column) throws SQLException;
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This method returns the first SQL warning associated with this result
|
||
|
|
* set. Any additional warnings will be chained to this one.
|
||
|
|
*
|
||
|
|
* @return The first SQLWarning for this result set, or <code>null</code> if
|
||
|
|
* there are no warnings.
|
||
|
|
*
|
||
|
|
* @exception SQLException If an error occurs.
|
||
|
|
*/
|
||
|
|
public abstract SQLWarning
|
||
|
|
getWarnings() throws SQLException;
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This method clears all warnings associated with this result set.
|
||
|
|
*
|
||
|
|
* @exception SQLException If an error occurs.
|
||
|
|
*/
|
||
|
|
public abstract void
|
||
|
|
clearWarnings() throws SQLException;
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This method returns the name of the database cursor used by this
|
||
|
|
* result set.
|
||
|
|
*
|
||
|
|
* @return The name of the database cursor used by this result set.
|
||
|
|
*
|
||
|
|
* @exception SQLException If an error occurs.
|
||
|
|
*/
|
||
|
|
public abstract String
|
||
|
|
getCursorName() throws SQLException;
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This method returns data about the columns returned as part of the
|
||
|
|
* result set as a <code>ResultSetMetaData</code> instance.
|
||
|
|
*
|
||
|
|
* @return The <code>ResultSetMetaData</code> instance for this result set.
|
||
|
|
*
|
||
|
|
* @exception SQLException If an error occurs.
|
||
|
|
*/
|
||
|
|
public abstract ResultSetMetaData
|
||
|
|
getMetaData() throws SQLException;
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This method returns the column index of the specified named column.
|
||
|
|
*
|
||
|
|
* @param column The name of the column.
|
||
|
|
*
|
||
|
|
* @return The index of the column.
|
||
|
|
*
|
||
|
|
* @exception SQLException If an error occurs.
|
||
|
|
*/
|
||
|
|
public abstract int
|
||
|
|
findColumn(String column) throws SQLException;
|
||
|
|
|
||
|
|
} // interface ResultSet
|
||
|
|
|